Time expressions in English exercises

We arrived for the train in good time. = with time to spare
The situation seems to be changing minute by minute. = very rapidly
The weather was bad at first, but it cleared up in the end. = eventually
I think we've sorted out this problem once and for all. = for ever
Bob was leading the race, but all at once he fell over. = suddenly
We waited for ages, and in the end we left. = finally
I enjoy going swimming every now and again. = occasionally
He told me that he was leaving for good. = for ever
I believe we met on a previous occasion. = once before
Have you bee playing tennis recently? = lately